Reddit mentions of Get It Done When You're Depressed: 50 Strategies for Keeping Your Life on Track

Also try setting a timer (no more than 15min!) and racing through whatever you can in that time; or if you happen to be watching something with commercials or playing a game with pauses, do whatever you can during those breaks - you'll be surprised at what you can do in 30secs!

Gamification works super well for those of us motivated by positive reinforcement, and some genius folks have made apps/sites to maximise the fun! https://yukaichou.com/lifestyle-gamification/the-top-ten-gamified-productivity-apps/

You might consider "Get It Done When You're Depressed", by Julie A. Fast - it's often available at the library: https://www.amazon.com/dp/B00AR17ZHS/